/*
 * Copyright (C) 2001-2005 Pleasant nightmare studio
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package org.pleasantnightmare.noraxidium.model;

import org.apache.log4j.Logger;
import org.newdawn.slick.Input;
import org.pleasantnightmare.noraxidium.math.GameVector2f;

/**
 * Controller that modifies position of game object by reading input.
 *
 * @author deus
 * @version 1.0
 * @since Jul 8, 2010 11:51:05 AM
 */
public class InputController extends AbstractController {
  private static final Logger LOGGER = Logger.getLogger(InputController.class);
  private Input input;
  private GameVector2f direction;

  public InputController(Input input) {
    if (input == null)
      throw new IllegalArgumentException("input = null");
    this.input = input;
    direction = new GameVector2f();
  }

  @Override public void update(int delta) {
    direction.zero();

    if (input.isKeyDown(Input.KEY_UP))
      direction.y -= 1.0F;
    if (input.isKeyDown(Input.KEY_DOWN))
      direction.y += 1.0F;
    if (input.isKeyDown(Input.KEY_RIGHT))
      direction.x += 1.0F;
    if (input.isKeyDown(Input.KEY_LEFT))
      direction.x -= 1.0F;

    getParent().addForce(direction);
  }
}
